Year	thousand metric tons of CO2 equivalent
1990	377967.337771
1991	380653.067204
1992	388536.37499900005
1993	392862.7049999999
1994	399598.57999999984
1995	408639.8524999998
1996	412422.64499999996
1997	418519.86
1998	433678.70250000013
1999	442637.90750000003
2000	447158.17500000005
2001	442735.94000000006
2002	463143.6400000002
2003	482483.5224999999
2004	485480.85999999987
2005	509083.58750000014
2006	511670.615
2007	526491.96
2008	543800.6425
2009	549850.14
2010	566578.815
2011	570072.8225000001
2012	584218.7999999999
2013	594191.3675
2014	601270.2024999999
2015	613017.895
2016	623658.53
2017	629029.4325000001
2018	643386.6825
2019	654093.85
2020	674688.2100000002